Finding the Fourth Proportional to 1,579,621.76, 2,177,610.72 and 1,126,125.44
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Solution
The fourth proportional to 1,579,621.76, 2,177,610.72 and 1,126,125.44 is: 1,552,436.72
Step by Step Solution
- Step 1: Write the proportion equation
1,579,621.76 : 2,177,610.72 = 1,126,125.44 : x - Step 2: Convert to fraction form
1,579,621.76/2,177,610.72 = 1,126,125.44/x - Step 3: Cross multiply
1,579,621.76x = 2,177,610.72 × 1,126,125.44 - Step 4: Simplify right side
1,579,621.76x = 2,452,262,830,208.72 - Step 5: Solve for x
x = 2,452,262,830,208.72/1,579,621.76 - Step 6: Final answer
x = 1,552,436.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.